mock.call_args can be both equal to and not equal to another object:

>>> m = Mock()
>>> m(1,2)
<Mock name='mock()' id='4483976016'>
>>> m.call_args
call(1, 2)
>>> m.call_args == call(1,2)
True
>>> m.call_args != call(1,2)
True

This appears to be a recent regression - it repros on trunk, but not on 3.3 or 2.7 with mock 1.3.0.

Seems this is not reproducible at least on Python 3.6.4 and Master branch.

# bpo24997.py

from unittest.mock import *

m = Mock()
m(1,2)
m.call_args
print("1 ", m.call_args == call(1,2))
print("2 ", m.call_args != call(1,2))


# Master

./python.exe
Python 3.8.0a0 (heads/master:c510c6b8b6, Sep 21 2018, 11:10:24)
[Clang 7.0.2 (clang-700.1.81)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>>
./python.exe ../backups/bpo24997.py
1  True
2  False

# Python 3.6.4

python3.6 ../backups/bpo24997.py
1  True
2  False


Thanks

Seems to have been implemented with ce913877e42b7fa03434c2e765ace891e0f5c4dc . https://bugs.python.org/issue25195 

$ git checkout ce913877e42b7fa03434c2e765ace891e0f5c4dc~1 Lib/unittest/mock.py
$ ./python.exe ../backups/bpo24997.py
1  True
2  True

$ git checkout ce913877e42b7fa03434c2e765ace891e0f5c4dc Lib/unittest/mock.py
$ ./python.exe ../backups/bpo24997.py
1  True
2  False

Thanks

Correct, this has been fixed in issue 25195. Closing as 'out of date'. Thanks for triaging!